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Class 5 Computer Worksheet: Algorithms

Computer lesson 25: Algorithms: steps in order · Set 928 · 40 questions
TalentJR

Remember (First, next, last): An algorithm = clear steps in the right order; a program = an algorithm written for a computer. To order steps, ask: what must happen before this step can happen? A mistake is a bug; finding and fixing it is debugging.

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  1. 1.🔢 To wash your hands, which is the FIRST step? (a) rub them with soap (b) dry them with a towel (c) wet your hands (d) rinse off the soap
  2. 2.🔢 To plant a seed, what comes right after “cover it with soil”? (a) dig a small hole (b) water it (c) put the seed in
  3. 3.🔢 To brush your teeth, what comes right after “put on toothpaste”? (a) rinse your mouth (b) brush all your teeth (c) wet the toothbrush
  4. 4.🐞 What do we call a mistake in a program? (a) a byte (b) a bug (c) a cell (d) a sprite
  5. 5.🔢 To play with a balloon, which do we do first: “blow air into it” or “play with it”? (a) play with it (b) blow air into it
  6. 6.🔢 To plant a seed, which is the LAST step? (a) dig a small hole (b) cover it with soil (c) put the seed in (d) water it
  7. 7.🔢 To read a storybook, which do we do first: “read the story” or “close the book”? (a) close the book (b) read the story
  8. 8.🔢 To read a storybook, what comes right after “read the story”? (a) pick up the book (b) open the first page (c) close the book
  9. 9.🔢 To plant a seed, what comes right after “put the seed in”? (a) cover it with soil (b) dig a small hole (c) water it
  10. 10.🔢 To read a storybook, which is the LAST step? (a) read the story (b) close the book (c) open the first page (d) pick up the book
  11. 11.🔢 To brush your teeth, which is the LAST step? (a) put on toothpaste (b) brush all your teeth (c) wet the toothbrush (d) rinse your mouth
  12. 12.🔢 To brush your teeth, which do we do first: “brush all your teeth” or “wet the toothbrush”? (a) brush all your teeth (b) wet the toothbrush
  13. 13.🔢 To plant a seed, which do we do first: “put the seed in” or “water it”? (a) put the seed in (b) water it
  14. 14.🔢 To brush your teeth, which is the FIRST step? (a) brush all your teeth (b) put on toothpaste (c) rinse your mouth (d) wet the toothbrush
  15. 15.🔧 What is finding and fixing mistakes in a program called? (a) debugging (b) printing (c) scrolling (d) downloading
  16. 16.🔢 To play with a balloon, what comes right after “tie the end”? (a) take a balloon (b) blow air into it (c) play with it
  17. 17.🔢 To plant a seed, which is the FIRST step? (a) cover it with soil (b) water it (c) dig a small hole (d) put the seed in
  18. 18.🔢 To read a storybook, which do we do first: “pick up the book” or “open the first page”? (a) open the first page (b) pick up the book
  19. 19.🔢 To read a storybook, what comes right after “open the first page”? (a) pick up the book (b) close the book (c) read the story
  20. 20.🔢 To play with a balloon, which is the FIRST step? (a) take a balloon (b) tie the end (c) blow air into it (d) play with it
  21. 21.🔢 To plant a seed, which do we do first: “dig a small hole” or “cover it with soil”? (a) cover it with soil (b) dig a small hole
  22. 22.🗺️ Which of these is an algorithm in everyday life? (a) a recipe (b) a pebble (c) a cloud (d) a rainbow
  23. 23.🔢 To play with a balloon, which is the LAST step? (a) tie the end (b) play with it (c) blow air into it (d) take a balloon
  24. 24.🔢 To play with a balloon, what comes right after “take a balloon”? (a) tie the end (b) blow air into it (c) play with it
  25. 25.📋 What do we call the steps written in a language a computer understands? (a) a poem (b) a password (c) a program (d) a painting
  26. 26.🔢 To wash your hands, which do we do first: “dry them with a towel” or “wet your hands”? (a) dry them with a towel (b) wet your hands
  27. 27.🔢 In an algorithm, the steps must be in the right ___. (a) font (b) colour (c) size (d) order
  28. 28.🔢 To wash your hands, what comes right after “rub them with soap”? (a) rinse off the soap (b) dry them with a towel (c) wet your hands
  29. 29.🔢 To brush your teeth, which do we do first: “brush all your teeth” or “put on toothpaste”? (a) brush all your teeth (b) put on toothpaste
  30. 30.📝 What do we call a list of steps to solve a problem? (a) a mouse (b) an algorithm (c) a pixel (d) a folder
  31. 31.🔢 To brush your teeth, which do we do first: “wet the toothbrush” or “put on toothpaste”? (a) put on toothpaste (b) wet the toothbrush
  32. 32.🔢 To read a storybook, which is the FIRST step? (a) read the story (b) close the book (c) pick up the book (d) open the first page
  33. 33.🤖 A computer follows the steps of a program ___. (a) backwards always (b) only on Sundays (c) the way it likes (d) exactly as written
  34. 34.🔢 To play with a balloon, what comes right after “blow air into it”? (a) play with it (b) tie the end (c) take a balloon
  35. 35.🔢 To brush your teeth, which do we do first: “put on toothpaste” or “brush all your teeth”? (a) put on toothpaste (b) brush all your teeth
  36. 36.🔢 To play with a balloon, which do we do first: “blow air into it” or “take a balloon”? (a) take a balloon (b) blow air into it
  37. 37.🔢 To brush your teeth, what comes right after “wet the toothbrush”? (a) brush all your teeth (b) put on toothpaste (c) rinse your mouth
  38. 38.🔢 To plant a seed, which do we do first: “put the seed in” or “dig a small hole”? (a) put the seed in (b) dig a small hole
  39. 39.🔢 To wash your hands, what comes right after “wet your hands”? (a) dry them with a towel (b) rinse off the soap (c) rub them with soap
  40. 40.🔢 To read a storybook, which do we do first: “pick up the book” or “read the story”? (a) read the story (b) pick up the book

Answer key

  1. wet your hands
  2. water it
  3. brush all your teeth
  4. a bug
  5. blow air into it
  6. water it
  7. read the story
  8. close the book
  9. cover it with soil
  10. close the book
  11. rinse your mouth
  12. wet the toothbrush
  13. put the seed in
  14. wet the toothbrush
  15. debugging
  16. play with it
  17. dig a small hole
  18. pick up the book
  19. read the story
  20. take a balloon
  21. dig a small hole
  22. a recipe
  23. play with it
  24. blow air into it
  25. a program
  26. wet your hands
  27. order
  28. rinse off the soap
  29. put on toothpaste
  30. an algorithm
  31. wet the toothbrush
  32. pick up the book
  33. exactly as written
  34. tie the end
  35. put on toothpaste
  36. take a balloon
  37. put on toothpaste
  38. dig a small hole
  39. rub them with soap
  40. pick up the book

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